根据短文内容，用方框中所给词语的适当形式填空，使文章通顺，完整。（每词限用一次）
Starting  could  tell    run     pull    give    be   must  at once  later
One day, a dentist was __his morning work. Suddenly a man ____________ in. His face was red and he only____say “Quick! Quick!” The dentist thought he ___ be very ill. So he helped the poor man sit in a chair _____. Then he ___________ the man some medicine to help him sleep. After that, he looked into the man’s mouth carefully. A few minutes _____all the bad teeth ______________ out. As soon as the man woke up, he said in a low voice, “Quick, doctor, quick.”
“It______________ over for minutes.” the dentist told him, “It’s all right now. You can leave now.”
“You don’t understand,” said the man, “I came ____________ you that your house is on fire.”